ar0130b7162a
Check/face-grind cylinder head contact surfaces
Tipo ar · tema 01.30 · versione 0204 · 2020-04-01
Valido per: Engine 904.9, 906.9 (except 906.999) Engine 904.9, 906.9, 924.9, 926.9 in model 693, 695 Engine 904.9, 924.9 in model 979 Engine 906.9 in model 958 Engine 924.9 (except 924.92), 926.9 (except 926.942/95) in model 368, 382, 384, 634, 979
Non disponibile in “it”; mostrato in Inglese.
Collocazione
Gruppo funzionale 1 Motore › 01 Motore completo, sfiato del motore, testata, basamento › 01.30 Testata — Serie 368 · Serie 382 · Serie 384 · Serie 634 · Serie 693 · Serie 695 · Serie 904 (modelli 9**) · Serie 906 (modelli 9**, 900, 901, 902, 903, 910, 911, 912, 913, 915, 916, 917, 918, 919, 920, 921, 922, 923, 924, 925, 926, 927, 928, 929, 930, 931, 932, 933, 934, 935, 936, 937, 938, 939, 940, 941, 944, 945, 946, 947, 948, 949, 950, 951, 952, 953, 954, 955, 956, 960, 961, 963, 964, 965, 966, 967, 970, 972, 973, 974, 975, 977, 982, 983, 984, 985, 987, 988, 989, 990, 991, 992, 993, 994, 995, 998) · Serie 958 · Serie 979
EinPAS 15 Motore › 15.16 Testata › 15.16.31 Testata/guarnizione della testata — Serie 368 · Serie 382 · Serie 384 · Serie 634 · Serie 693 · Serie 695 · Serie 904 (modelli 9**) · Serie 906 (modelli 9**, 900, 901, 902, 903, 910, 911, 912, 913, 915, 916, 917, 918, 919, 920, 921, 922, 923, 924, 925, 926, 927, 928, 929, 930, 931, 932, 933, 934, 935, 936, 937, 938, 939, 940, 941, 944, 945, 946, 947, 948, 949, 950, 951, 952, 953, 954, 955, 956, 960, 961, 963, 964, 965, 966, 967, 970, 972, 973, 974, 975, 977, 982, 983, 984, 985, 987, 988, 989, 990, 991, 992, 993, 994, 995, 998) · Serie 958 · Serie 979
Valido anche per motori/cambi: 924 9**, 924 91*, 924 93*, 924 94*, 924 97*, 924 98*, 924 99*, 926 9**, 926 900, 926 910, 926 911, 926 912, 926 913, 926 914, 926 915, 926 916, 926 917, 926 918, 926 919, 926 920, 926 921, 926 924, 926 925, 926 926, 926 927, 926 928, 926 929, 926 930, 926 932, 926 933, 926 934, 926 935, 926 937, 926 938, 926 941, 926 945, 926 946, 926 947, 926 948, 926 949, 926 960, 926 961, 926 969, 926 970, 926 971, 926 972, 926 973, 926 974, 926 975, 926 976, 926 985, 926 986, 926 987, 926 988, 926 989, 926 990, 926 991, 926 992, 926 993, 926 994, 926 995, 926 996, 926 997, 926 998, 926 999
AR01.30-B-7162A
| Check/face-grind cylinder head contact surfaces
| 12.03.2020
|
Engine
| 904.9, 906.9 (except 906.999)
|
Engine
| 904.9, 906.9, 924.9, 926.9 in model 693, 695
|
Engine
| 904.9, 924.9 in model 979
|
Engine
| 906.9 in model 958
|
Engine
| 924.9 (except 924.92), 926.9 (except 926.942/95) in model 368, 382, 384, 634, 979
|
1
| Intake valve
|
2
| Exhaust valve
|
3
| Constant throttle valve
|
4
| Dial indicator
|
5
| Dial indicator holder
|
|
|
|
A
| Valve distance on the cylinder head
|
H
| Cylinder head height
|
| Disassemble
|
|
|
1
| Remove the cylinder head
| Remove/install cylinder head
.
| AR01.30-B-5800J
|
|
|
| .
| AR01.30-B-5800B
|
2
| Remove the nozzle holders
|
.
| AR07.03-B-6831A
|
3
| Remove the valves (1,2)
|
.
| AR05.30-B-3511A
|
4
| Remove the constant throttle valves (3)
|
.
| AR01.50-B-1000A
|
5
| Remove the cylinder head
|
|
|
| Check
|
|
|
6
| Check the cylinder head mating surface for unevenness
|
.
| AR01.30-B-5800-12A
|
|
|
| .Maximum permissible flatness deviation of cylinder head mating surface
| *BE01.30-B-1002-02C
|
7
| Check the height (H) of the cylinder head
| Replace the cylinder head if the height (H) is less than the minimum allowable.
|
|
|
|
| .Cylinder head height
| *BE01.30-B-1001-02C
|
8
| Machine the cylinder head mating surface
| The rotation (n) is determined by the diameter (d) of the grinding wheel.
|
|
|
|
| .Roughness on cylinder head mating surface
| *BE01.30-B-1003-02C
|
|
|
| .Cylinder head height
| *BE01.30-B-1001-02C
|
|
| Machining
|
|
|
9
| Machine the cylinder head mating surface
| The height (H) of the cylinder head cannot be lower the minimum value after grinding.
|
|
|
|
| Grinding details: Rotation n = 1400/min (rpm) Longitudinal advance 800-1000 mm/min Vertical Advance (each pass-through) 0.03 mm Cutting speed Vs = 27 m/s Grinding wheel diameter d = 370 mm Sivat grinding wheel type 39C 36 F8 VK Norton 39C 36 F8 VK.
|
|
|
|
| The rotation (n) is determined by the diameter (d) of the grinding wheel; n = (Vs. 1000 . 60) : (d . 3.1416).
|
|
|
|
| .Cylinder head height
| *BE01.30-B-1001-02C
|
|
|
| .Roughness on cylinder head mating surface
| *BE01.30-B-1003-02C
|
| Measure
|
|
|
10
| Put the valves (1,2) on the cylinder head and measure the distance (A) between the faces of the valves and the bottom face of the cylinder head
|
.
| AR05.30-B-4511A
|
|
|
| Measure valve setback to cylinder head.
| AR05.30-B-4100-01A
|
|
|
| Fit the intake and exhaust valves to their respective seats.
|
|
|
|
| .Distance between valve face and the cylinder head
| *BE05.30-B-1001-01D
|
|
|
| Dial gage
| *001589532100
|
|
|
| Dial indicator holder
| *343589004000
|
| Assemble
|
|
|
11
| Install the constant throttle valves (3)
|
.
| AR01.50-B-1000A
|
12
| Mount the valves (1, 2) on the cylinder head
|
.
| AR05.30-B-3511A
|
13
| Install the nozzle holders
|
.
| AR07.03-B-6831A
|
14
| Install the cylinder head
|
.
| AR01.30-B-5800J
|
|
|
| .
| AR01.30-B-5800B
|
Number
| Designation
|
|
| Engine 904.9/906.9
| Engine 924.9
|
BE01.30-B-1001-02C
| Cylinder head height
| standard
| mm
| 107,9...108,1
| 107,9...108,1
|
|
|
| minimum after machining
| mm
| 106,9
| 106,9
|
Number
| Designation
|
|
| Engine 924.9
|
BE01.30-B-1002-02C
| Maximum permissible flatness deviation of cylinder head mating surface
| on overall length
| mm
| 0,05
|
|
|
| over a length of 150mm
| mm
| 0,02
|
Number
| Designation
|
|
| Engine 904.9/906.9
| Engine 924.9
|
BE01.30-B-1003-02C
| Roughness on cylinder head mating surface
| Rz
| mm
| 0,008...0,016
| 0,008...0,016
|
|
|
| R3z
| mm
| -
| -
|
Test value for the valves
|
Number
| Designation
|
|
|
| Engines 924.9, 926.9
|
BE05.30-B-1001-01D
| Distance between valve face and the cylinder head
| intake
| Normal
| mm
| 1,1...1,5
|
|
|
|
| Maximum repair stage
| mm
| 1,7
|
|
|
| exhaust
| Normal
| mm
| 1,1...1,5
|
|
|
|
| Maximum repair stage
| mm
| 2,0
|
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